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Cast List to List
...uit.Add(new Banana());
// Eek - it's a banana!
Apple apple = apples[0];
Now you can convert a List<Apple> to an IEnumerable<IFruit> in .NET 4 / C# 4 due to covariance, but if you want a List<IFruit> you'd have to create a new list. For example:
// In .NET 4, using the covarianc...
Java JDBC - How to connect to Oracle using Service Name instead of SID
... Jim Tough on May 18 '11 at 15:17. With that answer I was able to connect. Now I want to give back and help others with a complete example. Here goes:
import java.sql.*;
public class MyDBConnect {
public static void main(String[] args) throws SQLException {
try {
String...
Why, Fatal error: Class 'PHPUnit_Framework_TestCase' not found in …?
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and now I have PHP Fatal error: require_once(): Failed opening required 'PHPUnit/Autoload.php'
– Dennis
Mar 19 '14 at 14:26
...
convert_tz returns null
I know this sounds stupid, but when I use
9 Answers
9
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Maximum Length of Command Line String
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@ulrichb And now that link is broken too after yet another blog migration. The cited article can now be found at devblogs.microsoft.com/oldnewthing/20031210-00/?p=41553
– Adam Rosenfield
May 6 at 5:...
Testing two JSON objects for equality ignoring child order in Java
... This is the best answer ever. Not only it answers my question now, as it also answers almost every object comparison we need to do. thanks, joshu.
– Luiz Feijão Veronesi
Aug 31 '17 at 2:14
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How to compare only date components from DateTime in EF?
...body, p);
}
then you can use it in this way.
var today = DateTime.Now;
var todayPosts = from t in turnos.Where(IsSameDate<Turno>(t => t.MyDate, today))
select t);
sha...
What does if __name__ == “__main__”: do?
...n__":
print("m1")
functionA()
print("m2")
print("t2")
Now, figure out what will happen if you remove the __name__ check in foo3.py:
# Suppose this is foo3.py.
import os, sys; sys.path.insert(0, os.path.dirname(__file__)) # needed for some interpreters
def functionA():
prin...
Understanding the Rails Authenticity Token
...ome issues regarding the Authenticity Token in Rails, as I have many times now.
10 Answers
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Unlimited Bash History [closed]
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After many large, ugly iterations and weird edge cases over the years, I now have a concise section of my .bashrc dedicated to this.
First, you must comment out or remove this section of your .bashrc (default for Ubuntu). If you don't, then certain environments (like running screen sessions) will...